diff --git a/lib/NGCP/Schema/Result/cdr.pm b/lib/NGCP/Schema/Result/cdr.pm
index 93b122c9..ac006e47 100644
--- a/lib/NGCP/Schema/Result/cdr.pm
+++ b/lib/NGCP/Schema/Result/cdr.pm
@@ -221,6 +221,18 @@ __PACKAGE__->belongs_to(
   },
 );
 
+__PACKAGE__->belongs_to(
+  "destination_customer_billing_zones_history",
+  "NGCP::Schema::Result::billing_zones_history",
+  { "bz_id" => "destination_customer_billing_zone_id" },
+  {
+    is_deferrable => 1,
+    join_type     => "LEFT",
+    on_delete     => "SET NULL",
+    on_update     => "NO ACTION",
+  },
+);
+
 __PACKAGE__->belongs_to(
   "source_account",
   "NGCP::Schema::Result::contracts",